\(\sqrt{x-3}=2\)
=>\(x-3=2^2\)
=>\(x-3=4\)
=>\(x=4+3\)
=>\(x=7\)
\(\sqrt{x-3}\) = 2
\(\Leftrightarrow\) x - 3 = 22 = 4
\(\Leftrightarrow\) x = 4 + 3 = 7
\(\sqrt{x-3}=2\)
=> x - 3 = 22
=> x - 3 = 4
=> x = 4 + 3
=> x = 7
Vậy x = 7.
Chúc bạn học tốt!